Abstract
β-Bromo-α,β-unsaturated aldehydes react with 2-aminobenzimidazoles by microwave irradiation in the presence of a base and magnesium sulfate to give the corresponding benzo[4,5]imidazo[1,2- a ]pyrimidines in moderate to good yields.
Original language | English |
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Pages (from-to) | 1811-1815 |
Number of pages | 5 |
Journal | Synlett |
Volume | 28 |
Issue number | 14 |
DOIs | |
State | Published - 1 Sep 2017 |
Keywords
- aldehydes
- coupling
- cyclization
- fused-ring systems
- heterocycles